Aqua Clear 110 (500) Zeo-Carb Insert Media x 6pk 6 Count AquaClear 110 Zeo Carb A powerful combination of Activated Carbon and Ammonia Remover for your fish tank This potent chemical duo prevents the buildup of toxic ammonia and nitrite, producing clean and healthy aquarium water The AquaClear 110 Zeo Carb Filter Insert effectively eliminates odors, discoloration and impurities in freshwater aquariums Exclusively designed for the AquaClear 110 Power Filter